Accredited Education Contractors

The NTMA Accredited Education Program is a voluntary program for contractors who wish to obtain a professional designation of quality and expertise. These companies have demonstrated their commitment to ensuring the highest standards within the terrazzo industry.

CompanyAddressCity, State & ZipContact NamePhoneEmailWebsite 
American Marble Mosaic Company6314 St. Augustine St.Houston, Tx 77021Robert Bertin(713) 747-763, Fax (713) 747-2526rbertina@mericanmarble.com
Associated Terrazzo Company, Inc.1991 Oakdale AvenueSan Francisco, Ca 94124-2003Eddie Lourenco(415) 641-1995 Or Mobile # (415) 672-3753,Fax (415) 641-1996epl@associatedterrazzo.com
Corradini Corp.18100 Mt. Washington St.Fountain Valley, Ca 92708Chris Corradini(323) 221-3191 Or (800) 782-9252 Fax (323) 221-0188chrisc@corradinicorp.com
Grazzini Brothers And Company1175 Eagan Industrial RoadSt. Paul, Mn 55121Gregory P. Grazzini(651) 452-2700 Or (651) 452-1201 Fax (651) 452-2701ggrazzini@grazzini.com
Southern Tile & Terrazzo Co., Inc.6829 LindberghHouston, Tx 77087Michael Maraldo(713) 649-2434 Fax (713) 649-6141mmaraldo@southerntileterrazzo.com
T. B. Penick & Sons, Inc.15435 Innovation Dr., Ste. 100San Diego, Ca 92128Frank Klemaske(800) 239-3046 Fax (858) 558-1881frank@tbpenick.com
TERRAZZO MASTERS, an American Tile & Terrazzo Co. Brand – AEC124 N. Meadow St.
Metairie, LA 70003Colin Martin or Clyde Martin(504)305-2935
504-305-3371 Fax


The National Terrazzo and Mosaic Association, Inc. is a full service Non-Profit Trade Association headquartered in Fredericksburg, Texas. The Association establishes national standards for all Terrazzo floor and wall systems and provides complete specifications, color plates and general information to architects and designers at no cost.

National Terrazzo and Mosaic Association
PO Box 2605
Fredericksburg, TX 78624
Fax: 888.362.2770